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| author | Michel Dänzer <michel.daenzer@amd.com> | 2015-05-26 08:53:38 (GMT) |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-27 11:00:08 (GMT) |
| commit | 5ceecb2fa720c01a97e6fa2353c2b8f1e8d69f1f (patch) | |
| tree | 4a9ad864ed2ff736c7138fa997875b7944601d6e /init | |
| parent | 60f207a5b6d8f23c2e8388b415e8d5c7311cc79d (diff) | |
| download | linux-5ceecb2fa720c01a97e6fa2353c2b8f1e8d69f1f.tar.xz | |
drm: Fix off-by-one in vblank hardware counter wraparound handling
dev->max_vblank_count contains the largest value that can be represented
by the hardware counter. When the hardware counter wraps around, we have
to add that value + 1 to get the same value as if the hardware counter
didn't wrap around.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions